Cost to charge ratio (the percentage of the amount billed that represents the actual cost) for inpatient
Question:
The least squares regression line with y = inpatient costto charge ratio and x = outpatient cost to charge ratio is Ë y = 21.1 1 1.29x.
a. Is the observation for Hospital 11 an influential observation? Justify your answer.
b. Is the observation for Hospital 11 an outlier? Explain.
c. Is the observation for Hospital = an influential observation? Justify your answer.
d. Is the observation for Hospital = an outlier? Explain.
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